Method and device for suppressing background noise in a voice signal and corresponding system with echo cancellation

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United States of America Patent

PATENT NO 5680393
SERIAL NO

08549549

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Abstract

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The invention provides a method of suppressing a background noise signal in a sampled noisy voice signal. The method comprises the following steps: digital frequency-domain processing of the noisy voice signal to produce time-domain filtering coefficients, and digital time-domain processing of the noisy voice signal in accordance with the filter coefficients to produce a voice signal in which the background noise signal is substantially suppressed.

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Patent Owner(s)

Patent OwnerAddress
GENERAL MOTORS CORPORATIONP O BOX 33114 DETROIT MI 48232

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bourmeyster, Ivan Paris, FR 7 56
Lejay, Frederic Pornichet, FR 6 61

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